Wo-Chien is one of the Treasures of Ruin, a group of Legendary Pokémon introduced in Pokémon Scarlet and Violet in 2022. In the games, players can encounter it in Paldea after finding its shrine, and its distinctive cry plays during that encounter and in battle. Fans soon ripped and shared the sound for edits, pairing its mournful tone with failed hunts, dramatic reveals, and ominous memes. It remains popular because the cry is instantly recognisable to Pokémon players and carries a weight that ordinary sound effects cannot match.